What I meant by sera above was general adaptive immunity. It's likely to partially resist past immunity from both vaccines (esp. from the spike-only vaccines:

What I meant by sera above was general adaptive immunity. It's likely to partially resist past immunity from both vaccines (esp. from the spike-only vaccines: moderna, pfizer, etc) and natural infections from older strains. We'll probably know a lot more about it soon, but we may need to update our vaccines to include this mutant class.